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TM
TM
Page <9>
V1.0
12/04/18
5-10. Clear Memory Setting
• When the meter is in Setup mode, Press
“Unit ”
or
“Unit ”
to scroll to the clear memory setup option.
• Press
“Save/Clear’’
to select the desired sample. There are three choices for selecting.
PRESS VEL FLOW:
clear all pressure, velocity and flow sample data.
PRESS:
clear all pressure sample data.
VEL:
clear all velocity sample data.
FLOW:
clear all flow sample data.
• Press
“Unit ”
or
“Unit ”
until the display show ‘’YES”, Press
“Avg/Rec”
, then clear the memory.
5-11. Measuring Pressure
The Primary Display number is Pressure
value, the device measures Gauge/Differential
Pressure 5000Pa, it features 5 selectable units
of measure: PSI, mbar, Pa, in H
2
0, mmH
2
0.
• Press
“P/V/F”
to enter the pressure mode
and press
“Unit ”
to select unit.
• Connect a single hose to the “Input (+)” port,
leaving the “Ref(-)” port unconnected.
• With the tubing open to ambient conditions
press and hold
“Hold/Zero”
for 2 seconds to
zero out the display.
• Place the input hose in a different zone than
the Meter.
•
The Meter displays the differential pressure of
the input zone with respect to the reference
zone. For instance, a positive reading means
that the input zone is positively pressured
with respect to the Meter location or its
reference zone.